Title:
離型シート
Document Type and Number:
Japanese Patent JP5469930
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a release sheet of a low cost having better releasability from a film to be welded than the conventional one and showing a long life and a high quality.SOLUTION: The release sheet used for being arranged between the film to be welded and a heat seal bar in bag-making processing includes a core material 11 composed of a heat-resistant fabric or nonwoven fabric having a higher melting temperature than the film to be welded, and fluoro resin layers 12a and 12b formed on the surfaces of the core material 11. The release sheet has a ten-point average surface roughness Rz of not less than 35 to less than 120 μm.
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Inventors:
Kentaro Tanaka
Hamazu Yo
Hamazu Yo
Application Number:
JP2009152282A
Publication Date:
April 16, 2014
Filing Date:
June 26, 2009
Export Citation:
Assignee:
Chukoh Chemical Industry Co., Ltd.
International Classes:
B32B27/12; B29C65/20; B32B27/00; B32B27/30
Domestic Patent References:
| JP2004284222A | ||||
| JP2007296727A |
Attorney, Agent or Firm:
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen